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Stars, Galaxies and The Universe
Big Bang Theory
Big bang theory definition: States that the universe began with a huge explosion 13.8 billion years ago.
Related Terms
Absolute Magnitude
Apparent Magnitude
Black Hole
Galaxy
Light Year
Main Sequence
Nebula
Neutron Star
Nuclear Fusion In The Sun
Parallax
Quasar
Supernova
White Dwarf
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